CN103430347A - Energy storage device, energy storage cells and heat-conducting element - Google Patents

Energy storage device, energy storage cells and heat-conducting element Download PDF

Info

Publication number
CN103430347A
CN103430347A CN201280012937XA CN201280012937A CN103430347A CN 103430347 A CN103430347 A CN 103430347A CN 201280012937X A CN201280012937X A CN 201280012937XA CN 201280012937 A CN201280012937 A CN 201280012937A CN 103430347 A CN103430347 A CN 103430347A
Authority
CN
China
Prior art keywords
unit
heat
elastic device
conducting element
memory cell
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201280012937XA
Other languages
Chinese (zh)
Inventor
蒂姆·谢弗
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
LI TEC VERMOEGENSVERWALTUNGS GmbH
Li Tec Battery GmbH
Original Assignee
LI TEC VERMOEGENSVERWALTUNGS GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by LI TEC VERMOEGENSVERWALTUNGS GmbH filed Critical LI TEC VERMOEGENSVERWALTUNGS GmbH
Publication of CN103430347A publication Critical patent/CN103430347A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
    • H01G2/00—Details of capacitors not covered by a single one of groups H01G4/00-H01G11/00
    • H01G2/08—Cooling arrangements; Heating arrangements; Ventilating arrangements
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/65—Means for temperature control structurally associated with the cells
    • H01M10/655—Solid structures for heat exchange or heat conduction
    • H01M10/6554—Rods or plates
    • H01M10/6555—Rods or plates arranged between the cells
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/65—Means for temperature control structurally associated with the cells
    • H01M10/653—Means for temperature control structurally associated with the cells characterised by electrically insulating or thermally conductive materials
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/65—Means for temperature control structurally associated with the cells
    • H01M10/655—Solid structures for heat exchange or heat conduction
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/65—Means for temperature control structurally associated with the cells
    • H01M10/655—Solid structures for heat exchange or heat conduction
    • H01M10/6554—Rods or plates
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/204—Racks, modules or packs for multiple batteries or multiple cells
    • H01M50/207—Racks, modules or packs for multiple batteries or multiple cells characterised by their shape
    • H01M50/211—Racks, modules or packs for multiple batteries or multiple cells characterised by their shape adapted for pouch cells
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/233—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by physical properties of casings or racks, e.g. dimensions
    • H01M50/24—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by physical properties of casings or racks, e.g. dimensions adapted for protecting batteries from their environment, e.g. from corrosion
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/289—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by spacing elements or positioning means within frames, racks or packs
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/05—Accumulators with non-aqueous electrolyte
    • H01M10/052—Li-accumulators
    • H01M10/0525—Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/62—Heating or cooling; Temperature control specially adapted for specific applications
    • H01M10/625—Vehicles
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/64—Heating or cooling; Temperature control characterised by the shape of the cells
    • H01M10/647—Prismatic or flat cells, e.g. pouch cells
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
    • H01M2010/4271—Battery management systems including electronic circuits, e.g. control of current or voltage to keep battery in healthy state, cell balancing
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Power Engineering (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Materials Engineering (AREA)
  • Battery Mounting, Suspending (AREA)
  • Secondary Cells (AREA)
  • Electric Double-Layer Capacitors Or The Like (AREA)

Abstract

The invention relates to an energy storage device comprising a plurality of storage cells and a temperature control device for controlling the temperature of the storage cells or a cell assembly formed by the storage cells. Elastic means are arranged between a storage cell and another component for shock-absorbing bearing or for arranging them at a distance from each other. The other component is another storage cell or a holding element or another housing part or a heat-conducting element. Said elastic means are configured and designed as a functional component part of the temperature control device. Storage cells and heat-conducting elements which are suitable for use in the claimed energy storage device are also described.

Description

Energy accumulator equipment, energy accumulator unit and heat conducting element
Make by reference to become at the full content of first to file DE 10 2,011 013 617 the application's part at this.
The present invention relates to energy accumulator equipment, energy accumulator unit and heat conducting element.
Be known that in the vehicles, particularly in the vehicles that use hybrid power to drive or the battery used in electric vehicle there is the unit that a plurality of electricity series connection and/or electricity connect in parallel, for example lithium ion unit.
These unit must be by often cooling, in order to remove the thermal loss occurred.This is known that to this can use by the indirect cooling of coolant circulating system or use directly cooling by means of the air by cooling in advance (its be guided between unit by).For for coolant circulating system cooling, the metal cooling board of coolant flow can be installed on the cell block of battery, it is arranged on below unit usually.Thermal loss is for example for example, by the heat conducting element (heat conductive rod or conducting strip) separated, or by unit by the corresponding cell enclosure body wall thickened from unit guides to coldplate.The unit housings of unit is implemented as metal usually, and on this unit housings applied voltage.For fear of short circuit, coldplate separates with unit housings by electrical insulator subsequently, and described electrical insulator is for example heat conduction paper tinsel, formed body, filler (Vergussmasse) or is coated in coating or the paper tinsel on coldplate.Coolant circulating system also may be used to heating battery when cold start-up.
Knownly there is a dissimilar battery.Known a kind of battery by DE 10 2,008 034 869 A1 for example, its unit is designed to so-called bag-shaped unit, this unit is designed to, be clipped in and seal in paper tinsel (or a pair of paper tinsel of sealing) and seal welding the active part sandwich style that it is formed by rectangular shape basically, wherein seal the sealing joints of paper tinsel looping and wherein the unit utmost point by electric conductor, form, this electric conductor at the upside of unit through sealing joints and protrude upward.Cooling fin is installed between unit, and it is positioned at the planar side place of unit, and each is crooked and be placed on coldplate herein below unit.By cooling fin, the heat energy generated in unit enough is output on coldplate.Coldplate is by heat carrier and transmit heat to external heat exchanger.By this document some batteries of cicada also, its unit is designed to so-called flat unit, it is designed to rectangular shape basically and is installed in turn on coldplate in the mode of storehouse by front and back, and use described coldplate to clamp, wherein unit conduction sidewall as the unit utmost point is respectively in the downside place bending towards coldplate, so that for being positioned at the large as far as possible thermal transfer surface of coldplate formation herein.Unit is in both cases by clamping device, for example, by the clamping plate that separates and/or secured to one another by clamping band, and is forced on coldplate.
Known a kind of battery by WO2010/081704A2, wherein be fastened on a plurality of unit that form with the coffee bag make between frame element by means of two pressure frames and some tie rods.Be known that between the unit connected in turn in battery block soft element is set by this document.Can also alleviate the mechanical shock on the planar side of unit thus, and can balance relatively move (such as thermal expansion).
Task of the present invention is, improves the structure according to prior art.
This task solves by the feature of independent claims.The favourable improved procedure of the present invention has formed the theme of dependent claims.
According to a kind of energy accumulator equipment of suggest of the present invention, it has a plurality of memory cells and temperature-adjusting device (it is used to memory cell or the unit combination body adjusting temperature for forming by memory cell), wherein between memory cell and other assemblies, be provided for the elastic device at shock-absorption support or interval, wherein said other assemblies are other memory cells or holding element or other housing parts or heat conducting element, and wherein said elastic device is designed and is arranged as thermostatic functional part.
Be understood to energy accumulator equipment with lower device in category of the present invention, described device can be absorbed, be stored and (if possible in utilizing electrochemical process) exported again electric energy particularly.In category of the present invention, a kind of functional unit in energy accumulator equipment of sealing itself is understood to memory cell, and described functional unit can be absorbed, store and (if possible in utilizing electrochemical process) exports again electric energy particularly separately.Memory cell can be for example but be not only that Galvanic one sub-cell or two sub-cells are (in the application's framework, once or two sub-cells indistinguishably are described as to battery unit, and the energy accumulator equipment that will consist of this class battery unit is described as battery), the energy accumulator unit of fuel unit, high performance capacitors (such as ultracapacitor or similar capacitor) or other types.Especially, the memory cell that is constructed to battery unit for example has: active region or active part, and electro-chemical conversion and storing process carry out in this active region or active part; Outer cover, its for surrounding described active part in order to separate with surrounding enviroment; And, at least two Ampereconductors, it is as the electrode of memory cell.Described active part for example has electrode assembly, and it preferably is configured to storehouse or spool with electric current collection paper tinsel, active layer and spacer layer.Active layer and spacer layer can be set up at least in part as the independent foil blank (Folienzuschnitte) of electric current collection paper tinsel or as coating.Ampereconductors is electrically connected to the electric current collection paper tinsel or forms by the electric current collection paper tinsel.
Memory cell can also be a kind of absorb and/or emit be not electric energy, but the unit of the energy of heat energy, potential energy, kinetic energy or other kind of energy; Or a kind ofly absorb a kind of energy of kind of energy and again emit in the ，Zai Gai unit, unit of energy of another kind of kind of energy and can realize with another other kind of energy stored energy.
In category of the present invention, about adjustment, be understood to discharge heat or supply with heat (particularly discharging heat).It can be realized as passive cooling, for example, by the heat emission of carrying out at heat emission face place; As active cooling, for example, by the forced convertion on heat-transfer surface or by the heat exchange with particularly the thermal cyclic carrier in heat exchanger (such as water, oil or analog) carries out.In this case, control device or adjusting device can be set, in order to maintain the temperature range of predetermined license.In category of the present invention, temperature-adjusting device can be construed as merely carrying out in energy accumulator equipment temperature exchange or the device for carrying out heat exchange with surrounding enviroment.
In category of the present invention, elastic device is interpreted as to tackle between memory cell especially, is also the assembly relatively moved between memory cell and other assemblies if possible.Therefore, this assembly may be particularly related to damping element, for example but be not only cushion, banded, damping element stratiform or similar type.
When elastic device is designed and be arranged as thermostatic functional part, can overcome position and limitation use, structurally about this type of elastic device.This type of limitation normally exists, and this is because therefore damping element, usually by the heat-insulating material with low-down capacity of heat transmission, such as PU foam, bipeltate, corrugated board or analog form, and can stop effective heat conduction.
In preferred design, elastic device can have sealing of heat conduction and inner space, and wherein inner space is filled by flexible flexible material.In another preferred design, elastic device can be consisted of heat conduction and flexible flexible material.In another preferred design, elastic device can have heat conduction or sealing and inner space of allowing that heat passes through, wherein inner space is filled by heat conduction and flexible flexible material.
In category of the present invention, when material has the capacity of heat transmission, this material is understood to be heat conduction, and this material allows to be used as the heat carrier on technical meaning.About the spendable and view of the capacity of heat transmission structurally plan technically, be that it is not to be present in adiabatic material itself, minimum and inevitable waste heat conductibility physically yet.About the lower limit of the spendable capacity of heat transmission technically, can suppose about 10 to 20Wm -1K -1Scope in; This scope corresponding to high-alloy steel and some, be equipped with the packing material with thermal conductive resin synthetic material the capacity of heat transmission.Preferably, the described capacity of heat transmission at least 40 to 50Wm -1K -1Scope in, it for example, corresponding to spring steel (55Cr3).Particularly preferably be, there are at least one or several 100Wm -1K -1The capacity of heat transmission.For example but be not only, can suitably adopt for example silicon (capacity of heat transmission 148Wm -1K -1) or aluminium (capacity of heat transmission 221 is to 237Wm -1K -1) or copper (capacity of heat transmission 240 is to 400Wm -1K -1) or silver (the about 430Wm of the capacity of heat transmission -1K -1).With regard to this viewpoint, (it has about 6000Wm to carbon nano-tube -1K -1The capacity of heat transmission) demonstrate current attainable optimum target; And its use or other special materials will be considered cost, machinability and other appropriatenesses technically.Under this background, construct and be understood to the material of the heat conduction in category of the present invention, elastic device or its part consist of this material in fact, be for example perhaps for the reason of robustness, electrical insulating property, temperature-resistant or other characteristics or for application target, and only there is core, coating or layer, sheath or the analog of being made by this class material.Therefore can be set in the characteristic of the expectation between heat conduction and damping by suitable combination of materials.Can consider material same as described above or other good heat carriers (such as pottery or the diamond) packing material as the synthetic material for heat conduction.For example, in therefore, can the foam adiabatic at itself, by mixing materials, obtain from about 10 to 20Wm -1K -1Scope in, the technical available capacity of heat transmission.(information all about the capacity of heat transmission at 20 ℃ of temperature after smelting comprises, " Die Grundlagen der Ingenieurwissenschaften ", Springer publishing house, the 31st edition, 2000, the people such as author Engelkraut; "
Figure BDA0000380819380000051
Kunststoffe f ü r
Figure BDA0000380819380000056
", Fraunhofer integrated system and Element Technology research institute, current version 15.07.2008; Deutsche Edelstahlwerke, data page 1.7176; And Wikipedia, title be "
Figure BDA0000380819380000058
", current version 22.02.411; The applicant has carried out as required choice and scope is summarized.）
When at least piecewise (preferably plane earth) is placed on the heat-transfer surface of memory cell, also can realize good heat transmission when elastic device.
In preferred design, elastic device by conductively or electric insulation ground form so that consideration boundary condition technically for example.
In preferred design, elastic device is fixed on corresponding memory cell, or the integrated component part that is constituted as corresponding memory cell divides.
In another preferred design, elastic device is fixed on by piecewise at least and is arranged on the corresponding heat conducting element between corresponding memory cell, or the integrated component part that is constituted as this type of heat conducting element divides.
Particularly preferably, temperature-adjusting device has heat exchanger apparatus, and is arranged on heat conducting element between corresponding memory cell by piecewise at least and has with the heat conduction of heat exchanger apparatus and contact.
In another preferred design, be provided for the clamping device of fastening memory cell, wherein clamping device preferably is designed and is arranged as thermostatic functional part.In category of the present invention, about fastening being understood to, by clamping force, be fixed on preposition, particularly be fixed on the relative position of each other.During fastening, can also but be not only to utilize elastic force and frictional force.In addition, the fastening position of not getting rid of form fit is fixed; It can but nonessential be to be limited for avoiding fall apart (Auseinanderfallen).When clamping device is designed and be arranged as thermostatic functional part, clamping device can also meet some functions, and these functions are to be grouped together with the adjustment of memory cell or unit combination body.These functions for example can but be not only to comprise: spread out of heat and import heat into to memory cell from memory cell; By heat emission face heat outputting; Spread out of heat and import heat into to heat carrier from heat carrier; Derive heat and heat source or radiator importing heat from thermal source or radiator; And/or similar function.Herein, clamping device for example can be used the material of heat conduction to form.
Clamping device for example has at least one clamping band, described clamping band use the material of heat conduction to form and its preferably at least in some parts by itself flexibly, for example wave spring-like ground (
Figure BDA0000380819380000063
) form, and/or there is (such as clamping latch or analog) clamping part, a plurality of clamping bands wherein preferably are set, at least one clamping band in these clamping bands covers at least one other clamping band.In category of the present invention, be understood to microscler, plane, banded assembly particularly about clamping band, it also can be used to the structure of memory cell relative to each other fastening, and particularly wound form ground is fastening.In this case, latch mechanism, clamp system or similar means can be set, in order to can be assembled under the condition of stress being subject to.Can also realize by flexible formation own, apply uniform clamping force on cell block.The elastic elongation of clamping band can design as follows, while being assembled under being subject to prestressed situation, clamping band is excessive and can on cell block, walk around (gestreift) than cell block, wherein, when prestressing force descends, clamping band is fixed around cell block.In addition, clamping band can for example form to the wave spring-like in some parts.Particularly advantageously, the part formed by wave spring-like ground has planar section, and this planar section supports the heat-transfer surface of memory cell, heat conducting element or analog on the situation lower plane ground that is subject to stress.
In another design, clamping device can have a plurality of tie rods, and described tie rod forms with the material of heat conduction.In category of the present invention, by microscler, formed, the club that particularly extends beyond the whole length of cell stack is understood to tie rod, this tie rod carrys out the fastening unit piece by pressure elements (such as plate or flange, the memory cell in each outside of extruding on its direction of storehouse at memory cell) especially.In general, a plurality of (for example four, six, eight or more) tie rod is set.This type of tie rod for example has head at one end and at the screw thread of the other end or at the screw thread at two ends, so as to make it possible to by means of nut by pulling, by screwing in or fastening reliably by tightening to realize.When memory cell is correspondingly configured, it is also favourable using tie rod, memory cell can be before fastening by relatively simple mode be tightened into ( ) on tie rod, this also can make assembling be simplified.Tie rod for example can extend through the corresponding recesses of the frame element of frame plane unit, and receives heat from it.In this case, clamping device can also have holding element and clamping element, wherein holding element and memory cell are alternately installed, in order to memory cell is remained between described holding element, and the wherein fastening holding element of clamping element and memory cell, the wherein at least heat-transfer surface thermal coupling of piecewise and memory cell of holding element, and wherein clamping element at least is supported on the heat-transfer surface of holding element piecewise.In this case advantageously, holding element is used the material of heat conduction at least be formed on the contact-making surface with memory cell and have between the contact-making surface of clamping element.By this way, can also provide the reliably fastening of holding element and memory cell for battery block.For example but be not only when clamping band is set to clamping element, the heat-transfer surface of holding element can be the outer surface of holding element, particularly edge surface.In addition, clamping element (for example but be not only tie rod) can be conducted through the passage (such as perforation) in holding element; In this case, the heat-transfer surface of holding element can form by the inner surface of passage.The heat-transfer surface of memory cell can pass through planar side or the side, edge of memory cell, by Ampereconductors or on the passage area of the Ampereconductors of the outer cover by memory cell, provides.
In this case advantageously, clamping device is piecewise at least, particularly by the contact site on plane, some parts thermal coupling with heat exchanger apparatus, wherein heat exchanger apparatus preferably is connected on heat carrier recirculation system, and wherein said heat carrier recirculation system is preferably controllable or adjustable.By this way, the heat that clamping device can receive from memory cell is sent to heat exchanger apparatus, and for example outputs to heat carrier herein, on (but be not only water or oil).Heated heat carrier can circulate by heat carrier recirculation system, and for example in another position, received thermogravimetric is newly outputed on aerial cooler or analog.
What according to other viewpoint, propose is, a kind of energy accumulator unit, it has active part and surrounds the outer cover of this active part and have elastic device, described elastic device is fixed on memory cell or is configured to integrated component part and divides, and is designed and is arranged to come the supporting of damping ground or interval memory cell with respect to other assemblies; A kind of heat conducting element be arranged between the energy accumulator unit, described energy accumulator unit is characterised in that elastic device, described elastic device is fixed on heat conducting element or the integrated component part that is configured to this heat conducting element divides, and is designed and is arranged to for heat conduction; And; A kind of have particularly a carrier structure of thin-walled and the heat conducting element of elastic device, wherein said heat conducting element is used in particular for holding the energy accumulator unit, wherein the structure of thin-walled has been described a kind of preferably form of flat cuboid, and the structure of wherein said thin-walled has at least one planar side and at least two narrow sides adjacent with this planar side, and described elastic device is fixed on heat conducting element or the integrated component part that is configured to this heat conducting element divides, and is designed and is arranged to for heat conduction.Elastic device preferably forms according to previous description respectively.
Especially, proposed at the vehicles, use according to energy accumulator equipment of the present invention, according to energy accumulator of the present invention unit with according to heat conducting element of the present invention, particularly hybrid vehicles or electric vehicle of the vehicles wherein.
Aforesaid feature, task and the advantage with other of the present invention becomes more obvious according to following explanation, and this explanation completes with reference to appended accompanying drawing.
At accompanying drawing, show:
Fig. 1 shows the frame plane unit with schematic space view;
Fig. 2 shows the schematic cross sectional views according to the unit of Fig. 1;
Fig. 3 shows the schematic spatial decomposition figure according to the unit of Fig. 1;
Fig. 4 illustrates the battery with a plurality of frame planes unit with schematic spatial decomposition;
Fig. 5 shows the schematic space view of the battery according to Fig. 4 under the assembling completion status;
Fig. 6 is the schematic cross sectional views of damping element;
Fig. 7 is the schematic cross sectional views of other damping elements;
Fig. 8 is the schematic cross sectional views of another damping element;
Fig. 9 illustrates other frame plane unit with schematic spatial decomposition;
Figure 10 illustrates similar frame plane unit with schematic spatial decomposition;
Figure 11 shows another battery with frame plane unit with schematic space view;
Figure 12 shows the striped cell with damping element with schematic space view;
Figure 13 shows the battery with a plurality of bag-shaped unit with schematic space view, described striped cell is fastened between frame element by means of tie rod;
Figure 14 shows individual unit and heat conducting element with schematic space view;
Figure 15 shows individual unit and heat conducting element with schematic cross sectional views;
Figure 16 shows individual unit and heat conducting element with schematic cross sectional views;
Figure 17 shows individual unit and heat conducting element with the schematic perspective exploded view;
Figure 18 shows individual unit and heat conducting element with the schematic perspective exploded view;
Figure 19 illustrates battery with schematic spatial decomposition;
Figure 20 shows the battery be assembled with schematic space view;
Figure 21 shows heat conducting element with schematic cross sectional views;
Figure 22 shows the heat conducting element with frame plane unit with schematic space view;
Figure 23 shows similar heat conducting element with schematic space view;
Figure 24 with schematic space view show have fastened on three direction in spaces, by the battery of the cell block of a plurality of frame plane cell formations;
Figure 25 shows the battery with the columniform battery unit of many rows with schematic plan, described battery unit is fastened on the battery case body wall by means of fixed band;
Figure 26 shows the battery with the columniform battery unit of many rows with schematic plan, described battery unit is fastened between two battery case body walls by means of fixed band.
It is pointed out that view in the accompanying drawings is schematically and at least in fact to only limit to reproduce understanding the helpful feature of the present invention.It is to be noted in addition, the size and the size that reproduce in the accompanying drawings are mainly in order to clearly illustrate, unless and be otherwise noted in specification, otherwise needn't be understood to be restrictive.
In institute's drawings attached, corresponding part is furnished with identical reference marker each other.
Fig. 1 and Fig. 2 show the Galvanic unit 2(that is constituted as flat unit and are also referred to as individual unit 2 or unit 2).In this case, the unit housings of individual unit 2 is consisted of two unit housings sidewalls 2.1,2.2 and the framework of the unit housings around the side, edge 2.3 that is arranged between it.
The unit housings sidewall 2.1,2.2 of individual unit 2 is implemented as conduction, and forms utmost point P+, the P-of individual unit 2.
Two damping elements 2.4 are installed on the unit housings sidewall 2.1 of negative electrode P-.Damping element 2.4 is constituted as has flexible flexible nature.In addition, damping element 2.4 is constituted as conduction, and has a good thermal conduction characteristic.Damping element 2.4 bonds on unit housings sidewall 2.1, and wherein this is bonding that be implemented as heat conduction or allow that heat is passed through and conduct electricity.
Individual unit 2 has at least three voltage interface contact site K1 to K3.That is to say, the unit housings sidewall 2.1 that forms utmost point P-has at least two voltage interface contact site K1, K2, and it is electrical interconnection each other especially in inside, unit, particularly in parallel.In this case, the first voltage interface contact site K1 forms by the upper damping element 2.4 also be arranged on conductively thus on unit housings sidewall 2.1 of the utmost point P-that is arranged on conductively individual unit 2.Second voltage interface contact site K2 is embodied as measurement interface 2.11, and it radially stretches out (be in unit 2 upside) herein from unit housings sidewall 2.1 at an arbitrary position and surpasses individual unit 2, as the prolongation of convex form (fahnenartig).
Tertiary voltage interface contact site K3 forms by the unit housings sidewall 2.2 that forms utmost point P+.
Unit housings framework 2.3 is realized by electric insulation ground, thereby is made the unit housings sidewall 2.1,2.2 of opposed polarity be electrically insulated from each other.In addition, unit housings framework 2.3 at the upper side place, have local material increase section ( ) 2.31, its function has detailed explanation in the description of Fig. 4 and Fig. 5.
Fig. 2 has shown the individual unit 2 according to Fig. 1 with cutaway view, and electrode storehouse 2.5 wherein is installed in unit housings 2.
In this case, in middle section, the electrode foil 2.51 of opposed polarity, particularly aluminium foil and/or Copper Foil and/or the paper tinsel made by alloy, relative to each other carry out stacking, and by means of the separator (not shown in detail), particularly the separator paper tinsel, be electrically insulated from each other.
In the fringe region of the electrode foil 2.51 of the middle section that extends beyond electrode storehouse 2.5, the electrode foil 2.51 of identical polar is electrically connected to each other.Therefore the end connected to one another of the electrode foil 2.51 of identical polar has formed utmost point contact site 2.52.The utmost point contact site 2.52 of the opposed polarity of individual unit 2.2 mainly is also referred to as conductive bumps 2.52 below.Specifically, the end of electrode foil 2.51 is pushed each other in an electrically conductively and/or is welded together, and forms the conductive bumps 2.52 of electrode storehouse 4.
Electrode storehouse 2.5 is installed in the side, edge in the unit housings framework 2.3 of electrode storehouse 2.5.In addition, unit housings framework 2.3 has two Material shrinkage part (Materialr ü cknahme) 2.33,2.34 that distance is arranged each other, these Material shrinkages partly are designed to, and make the conductive bumps 2.52 of opposed polarity be installed in Material shrinkage part 2.33,2.34.Headroom (the lichte of Material shrinkage part 2.33,2.34
Figure BDA0000380819380000102
) h1 is designed to, make it corresponding to the prolongation of stacking conductive bumps 2.52 relative to each other insusceptibly, or be less than this prolongation.The degree of depth t of Material shrinkage part 2.33,2.34 is corresponding to the prolongation of conductive bumps 2.52, or is designed to be greater than this prolongation.
Because unit housings framework 2.3 is preferably made by the material of electric insulation, thus the conductive bumps 7 of opposed polarity be electrically insulated from each other, thereby make the extra means do not needed for electric insulation.
In the situation that fixed cell housing sidewall 2.1,2.2 (described unit housings sidewall 2.1,2.2 is for example realized in the recess around unit housings framework 2.3 (Aussparung) by means of stickup and/or the crimp of planar side 2.8 with the method be not shown specifically), conductive bumps 2.52 with respect to unit housings sidewall 2.1,2.2 extruding opposed polarities, thereby each electromotive force that makes conductive bumps 2.52 is used on unit housings sidewall 2.1,2.2, and utmost point P+, the P-of formation individual unit 2.
In improvement project of the present invention, at conductive bumps 2.52(, it for example is made of copper) and housing sidewall 2.1,2.2(it is for example made of aluminum) between the paper tinsel (it is for example made by nickel) be not shown specifically can also additionally be installed, in order to realize the electrical connection improved between conductive bumps 2.52 and unit housings sidewall 2.1,2.2.
Also possiblely in design of the present invention be, the paper tinsel of the electric insulation do not specifically not illustrated is installed between conductive bumps 2.52 and unit housings sidewall 2.1,2.2, perhaps on unit housings sidewall 2.1,2.2, be coated with unilaterally the layer of electric insulation, thus make between conductive bumps 2.52 and unit housings sidewall 2.1,2.2 only be electrically connected to use specific implementation not, according to prior art during known through welding technique (Durchschwei β verfahren) from 2.1,2.2 generations of outside penetrated cell housing sidewall.
Shown in Fig. 2, damping element 2.4 to be to be arranged on housing sidewall 2.1 with the about identical height of conductive bumps 2.52, and has the height h2 measured from housing sidewall 2.1.There is no damping element 2.4 on the planar side 2.8 of unit 2 or the part on housing sidewall 2.1 (it has limited electrode storehouse 2.5).While being connected to each other with fastening a plurality of individual unit 2 on the direction (storehouse direction s) of cell stack, D exerts pressure on individual unit 2, the introducing of pressure D be limited on conductive bumps 2.52 and the adjacent area of unit housings framework 2.3 on, and electrode storehouse 2.5 impact that is not stressed simultaneously.When electrode storehouse 2.5 expands on storehouse direction s, still keep above-mentioned state when individual unit 2 work.
Fig. 3 shows the decomposition view of the individual unit 2 of describing in detail in Fig. 1 and Fig. 2, and shows the installation of electrode storehouse 2.5 in unit housings framework 2.3 and unit housings sidewall 2.1,2.2.
In this case, it has the measurement interface 2.11 of convex form unit housings sidewall 2.1() in lower area on the direction of unit housings framework 2.3 90-degree bent, in order to form crimp 2.12, thereby make, use the cooling of the amplification that realizes available heat transfer surface A1 when the heat-conducting plate 4 shown in Fig. 4 and Fig. 5 the improvement that therefore realizes battery 1.
In the variation of the present embodiment, damping element 2.4 is installed on another housing sidewall 2.2 or is installed on two housing sidewall 2.1,2.2.In rear a kind of variation, implementing variant as another can propose, and damping element 2.4 is installed in the upper area of housing sidewall 2.1, and another damping element 2.4 is installed in the lower area of housing sidewall 2.2, or vice versa.A kind of this type of installation (particularly when lacking measurement interface 2.11) can be avoided unit reversed polarity unintentionally, because encode by the position of damping element 2.4 in utmost point position.
In Fig. 4 and Fig. 5, it for example is used in battery 1(in the vehicles, particularly in hybrid vehicles and/or electric vehicle) with decomposition view and see-through view, show.
Fig. 4 shows the decomposition view of battery 1, and described battery 1 has the unit combination body Z consisted of a plurality of individual units 2.In order to form this unit combination body Z, utmost point P+, the P-of a plurality of individual units 2 is according to be one another in series ground and/or be electrically connected in parallel of the required voltage of battery 1 and power.Equally, according to required voltage and the power of battery 1, in improvement project of the present invention, unit combination body Z consists of the individual unit 2 of any amount.
Electrically contacting of the unit housings sidewall 2.1,2.2 of the adjacent individual unit 2 by having different electromotive forces, realized respectively the electricity series connection of utmost point P+, the P-of individual unit 2 by damping element 2.4.In this case, the mode that the unit housings sidewall 2.2 of individual unit 2 coordinates with power especially, in a kind of mode in the mode of form fit and/or the mode that determines with material in abutting connection with on the unit housings sidewall 2.1 that is installed in the measurement interface 2.11 with convex form, damping element 2.4 adjacent individual unit 2, and because damping element 2.4 conducts electricity, so can be electrically connected to adjacent individual unit 2 by the method unit housings sidewall 2.2.
In embodiment shown in the present, battery 1 is consisted of 30 individual units 2 of electricity series connection each other.In order from battery 1, to extract electric energy and/or input electric energy to battery 1, at its special anodal P+ that forms the first individual unit of unit housings sidewall 2.2(of the first individual unit E1 of unit combination body Z) the upper electrical interface elements 10 of installing.This interface element 10 is embodied as the electrical interface projection and forms the anode interface P of battery 1 pos.
In addition, at the unit housings sidewall 2.1(of last individual unit E2 of unit combination body Z, it has formed the negative pole P-of last individual unit E2 especially) on electrical interface elements 11 is installed.This interface element 11 is embodied as equally the electrical interface projection and forms the negative pole interface P of battery 1 neg.Be noted that in this position, remove to the top damping element 2.4 of last individual unit E2 of major general.
At the downside of battery 1, unit combination body Z and heat-conducting plate 3 thermal couplings.Heat-conducting plate has heat carrier interface 3.1, these heat carrier interfaces be arranged on heat-conducting plate 3 inside, for example be the form of wriggling (
Figure BDA0000380819380000133
) and be with if possible forked heat-carrier passage (not shown in detail) to be connected.In this case, the crimp 2.12 of unit housings sidewall 2.1 and 90-degree bent on the direction of unit housings framework 2.3 is directly or indirectly by material that can heat conduction, particularly heat conduction paper tinsel 4 and heat-conducting plate 3 thermal couplings, thus make it possible to realize the effective cooling of battery 1.
In improvement project of the present invention, material that can heat conduction can be extraly or selectively by filler and/or spray paint (Lack) form.
Installation unit assembly Z, heat-conducting plate 3 and heat conduction paper tinsel 4 in case frame, so that the mode that can coordinate with power be connected to unit combination body Z by individual unit 2 and the mode that coordinates with power is connected to heat-conducting plate 3 and heat conduction paper tinsel 4 on unit combination body Z.Case frame is particularly by the clamping element 8(that one or more unit combination body Z are surrounded fully clamping band for example) institute forms, these clamping elements 8 can be in the horizontal direction and the mode coordinated with power on vertical direction connect individual unit 2 or unit combination body Z, heat-conducting plate 3 and heat conduction paper tinsel 4.In order to make it possible to fix to clamp safely element 8, be preferably in place, the bottom side formation of heat-conducting plate 3 and the corresponding material recess 3.2 of size of clamping element 8.
In the improvement project be not shown specifically in the present invention, some assemblies or all component, that is to say that individual unit 2, heat-conducting plate 8, heat conduction paper tinsel 11 or whole battery 1 can selectively or extraly partially or even wholly be encapsulated in battery container.
For this embodiment of the present invention, damping element 2.4 is by the flexible hag, form conductively and with heat conduction.Therefore, utmost point P-and the P+ of its Component units 2 of housing sidewall 2.1 and 2.2() can by damping element 2.4, between adjacent cells, electrically contact reliably.In addition, the pressure be directed in cell block Z by clamping band 8 is introduced in the frame area of unit 2 by damping element 2.4, and wherein the zone of electrode storehouse 2.5 is not subject to the effect of clamping force.Unit 2, particularly the electrode storehouse 2.5, can free wxpansion on the storehouse direction in work.In addition, in damping element 2.4, can absorb vibration, wherein mechanically uncoupling as far as possible each other of individual unit 2.Finally, damping element 2.4 has good thermal conduction characteristic.Thus, can carry out the heat exchange between adjacent individual unit 2.The unnecessary heat energy of individual unit 2 enough not only dissipates by the unit housings sidewall 2.1 of individual unit 2, but also extraly by unit housings sidewall 2.1 dissipation of adjacent individual unit 2.
As a rule, battery 1(lithium ion high-tension battery) need: special electronic equipment, its supervision and fixed case are as the cell voltage of individual unit 2; Battery management system, it controls power absorption and the power stage (=battery control device) of battery 1 especially; And, protection component, it realizes safely battery 1 and electrical network being disconnected in the situation that battery 1 fault.
In illustrated embodiment of the present invention, electronic building brick 13 is set, it at least comprises for cell voltage and monitoring and/or for (not being shown in detail) device of cell voltage balance.In improvement project of the present invention, electronic building brick 13 can also be configured to packed electronic building brick.
Electronic building brick 13 is installed on the clamping element 12 and unit housings framework 2.3 of individual unit 2 in unit combination body head one side.For the bearing-surface of realizing large as far as possible electronic building brick 13 and the upside that clamping element 8 is fixed to unit combination body Z simultaneously, at the upside place of the framework 2.3 of each individual unit 2, partly constituent material is increased section 2.31, and it is highly especially corresponding to thickness of clamping element 8.For electronic building brick 13 being fixed on unit combination body Z and/or clamping element 8, the interconnection technique of the mode that mode, mode form fit and/or the material that the power that use is not shown in detail coordinates determines.
For being electrically connected to of unit combination body Z and electronic building brick 13, the measurement interface 2.11 of the convex form of installing on unit housings sidewall 2.1 is by being installed in contact element 13.3 realizations in electronic building brick 13, and it has the corresponding shape of measurement interface 2.11 with convex form.
In addition, also be provided with the electronic building brick that other are not illustrated, comprising for example battery management system, battery control device, protection component and/or other devices for driving and control battery 1.
Fig. 6 shows the structure of the damping element 2.4 in first shown in Fig. 1, Fig. 2 or Fig. 3 preferably implements variant with schematic cross sectional views.
Shown in Fig. 6, damping element 2.4 has the first shell 2.41 and the second shell 2.42.Shell 2.41,2.42 is connected to each other at seam 2.43 places, for example, by welding, bonding or similar approach connection.Shell 2.41,2.42 is by can conduct electricity and material can heat conduction, and for example aluminium or similar material are made.Shell 2.41,2.42 surrounds inner spaces 2.44, this inner space 2.44 shown in implement variant in insulating material such as PU foam, bipeltate, sludge (Filz) or analog are filled.At another, implement also can imagine in variant, only fill with air described inner space 2.44.
Fig. 7 has shown the structure in another preferably implements variant at the damping element 2.4 shown in Fig. 1, Fig. 2 or Fig. 3 with schematic cross sectional views.
Shown in Fig. 7, damping element 2.4 has the first shell 2.41 and the second shell 2.42.In its edge, have bellows-type structure 2.45 to extend between described shell 2.41,2.42, described bellows-type structure 2.45 is connected to shell 2.41,2.42 at seam 2.43 places.Shell 2.41,2.42 is by can conduct electricity and material can heat conduction, such as aluminium or similar material are made.Shell 2.41,2.42 surrounds inner spaces 2.44, this inner space 2.44 shown in implement variant in insulating material such as PU foam, bipeltate, sludge or analog are filled.When guaranteeing described bellows-type structure 2.45 corresponding rigidity, at another, to implement also can imagine in variant, only fill with air described inner space 2.44.
Fig. 8 has shown the structure in another preferably implements variant at the damping element 2.4 shown in Fig. 1, Fig. 2 or Fig. 3 with schematic cross sectional views.
Shown in Fig. 8, damping element 2.4 has foam block 2.45.This foam block 2.45 has can heat conduction and synthetic material that can conduct electricity.At another, implement in variant, foam block 2.45 is formed by material foaming electric insulation and adiabatic, and this foam block is mixed with as good electric conductor and the packing material of heat conductor.
With reference to figure 6 to Fig. 8, especially but not only it is to be noted, the relation of size of components, such as the intensity of thickness or the assembly of assembly, in these accompanying drawings, for the purpose of clear demonstration, may be shown turgidly, and in case of necessity can be obviously with actual realize different.
Fig. 9 is usingd schematic spatial decomposition and is illustrated as individual unit 2 another embodiment of the present invention, that be constituted as flat unit.This embodiment is the variation of embodiment shown in Fig. 1 to Fig. 5; As long as there is no other special instruction in following specification, can correspondingly apply mechanically the explanation of making for Fig. 1 to Fig. 5.
Shown in Fig. 9, the unit housings of unit 2 (outer cover) is formed by two unit housings sidewalls 2.1,2.2 and the framework of the unit housings around edge side 2.3 that is installed between it.The unit housings sidewall 2.1,2.2 of unit 2 is embodied as conduction, and forms utmost point P+, the P-of unit 2.Unit housings framework 2.3 is embodied as electric insulation, thereby makes the unit housings sidewall 2.1,2.2 of opposed polarity be electrically insulated from each other.In addition, unit housings framework 2.3 has at the material of the part at upside place and increases section 2.31.
Identical with previous embodiment of the present invention, herein unit housings sidewall 2.1(its there is the measurement interface 2.11 of convex form) also there is the crimp 2.12 of 90-degree bent on the direction of unit housings framework 2.3 in lower area.In addition, unit housings sidewall 2.1 has the connecting plate 2.13 of two 90-degree bents on the direction of unit housings framework 2.3 in upper area.When being assembled into together, connecting plate 2.13 increases at material the narrow side 2.32 in top that section 2.31 sides are snapped to unit housings framework 2.3, and while seamed edge 2.12 is snapped to the narrow side in bottom of unit housings framework 2.3.
In the present embodiment, the unit housings sidewall 2.2 that is used as anodal P+ has damping element 2.4, and it is from unit housings sidewall 2.2 projections.Therefore, damping element 2.4 forms the tertiary voltage interface contact site K3 of unit 2 herein, and other unit housings sidewalls 2.1 form the first voltage interface contact site K1 simultaneously.About the characteristic of damping element 2.4, quoted the explanation to previous embodiment and variation thereof.For this embodiment, damping element 2.4 itself extends until reach the whole lip-deep little fringe region at unit housings sidewall 2.2, and this makes pressure distribution become possibility on the whole surface of the unit housings sidewall 2.1,2.2 of unit 2.At some, implement in variant, damping element 2.4 only can be formed on unit housings sidewall 2.2 piecewise.
Figure 10 illustrates the variation in unit shown in Fig. 92 with schematic spatial decomposition.
It has the measurement interface 2.11 of convex form unit housings sidewall 2.1() there is the lower seamed edge (crimp) 2.12 of 90-degree bent on the direction of unit housings framework 2.3 in lower area.For this, change, another unit housings sidewall 2.2 has the connecting plate 2.22 of two 90-degree bents on the direction of unit housings framework 2.3 in upper area.When being assembled into together, the connecting plate 2.22 of the second housing sidewall 2.2 increases at material the narrow side 2.32 in top that section 2.31 sides are snapped to unit housings framework 2.3, and the seamed edge 2.12 of while the first housing sidewall 2.1 is snapped to the narrow side in bottom of unit housings framework 2.3.
Shown in Figure 10, second unit housing wall 2.2 has damping element 2.4, and extraly, first module housing wall 2.1 has damping element 2.4.Two damping elements 2.4 form according to the same mode of damping element 2.4 with at embodiment shown in Fig. 8, and form first and tertiary voltage interface contact site K1, K3 of unit 2.
According to being configured in the battery that is described as the variation of battery 1 shown in Fig. 4 and Fig. 5 of unit 2 of Fig. 9 or Figure 10, be favourable.In this case, clamping band 8 is made by the material (such as metal) of heat conduction, and contacts with the narrow side 2.32 in the top of unit 2, and with connecting plate 2.13 plane earths of unit housings sidewall 2.1, contacts thus.Contingent thus, the heat transmission between the connecting plate 2.13 of unit housings sidewall 2.1 enters clamping band 8, and too much heat energy is enough if possible by clamping band 8, is transported to coldplate 3.
But by electric insulation heat conduction in clamping band or allow coating that heat passes through or between the connecting plate 2.13 of clamping band 8 and unit housings sidewall 2.1 corresponding intermediate layer (not shown in detail) will avoid the short circuit between adjacent cells 2 or not wish the contact occurred.
In order to amplify thermal transfer surface, can amplify with respect to the battery 1 shown in Fig. 4 and Fig. 5 the width of clamping band 8, and the material that correspondingly reduces unit housings framework 2.3 is increased the width of section 2.31.
In this embodiment, electrically contacting by damping element 2.4 between unit 2 realizes.By damping element 2.4, make the heat produced in heat exchange between adjacent cells 2 and deliverying unit 2 inside simpler.
Figure 11 is usingd schematic space view and has been shown the structure as the battery 1 of an alternative embodiment of the invention.The battery 1 of this embodiment can be understood to the variation of the battery shown in Fig. 4 and Fig. 5, thereby makes it possible to quote its corresponding explanation with reference to base configuration.
Battery 1 consists of 35 individual units 2.These individual units 2 are two sub-cells (rechargeable battery unit) with active region (comprising lithium), and are constructed to the frame plane unit according to Fig. 9 or Figure 10.
Coldplate 3 has been installed below unit 2, and it is for the temperature of regulon 2.Coldplate 3 section within it has: the cooling duct (not shown in detail) can have coolant flow in this cooling duct; And, two coolant interface 3.1, it is for introducing and discharge cooling agent.By coolant interface 3.1, coldplate 3 can be connected to unshowned coolant circulating system, by this system, can dissipate by cooling agent, from battery 1, absorbing used heat.
Between the bottom surface of coldplate 3 and unit 2 or between the crimp 2.12 of coldplate 3 and unit housings sidewall 2.1, the heat conduction paper tinsel 4 of being made by the material of electric insulation is being installed, it is by coldplate 3 and unit 2 electric insulations.Pressing plate 5 is installed more than 2 in unit, and this pressing plate 5 is made by metal (such as stainless steel, aluminium or metalloid), and the coating (not shown in detail) of electric insulation wherein is set in bottom side.In addition optionally, pressing plate 5 is made by the electrical insulating material with good heat conductive characteristic (such as the reinforcement synthetic material with heat conduction filler).
Pole plate 6 before the front end of unit combination body exists, and after the rear end of unit combination body is equipped with pole plate 7.Pole plate 6 and 7 has formed respectively a utmost point in battery 1, and has respectively and extend beyond prolongation 6.1,7.1 pressing plate 5, convex form, and it forms respectively the utmost point contact site of battery 1.In addition, pole plate 6 and 7 has respectively two holding flanges (Befestigungsnasen) (6.2,7.2 in comparison diagram 3), and it is parallel to pressing plate 5 and is bent to form from corresponding pole plate 6,7, and with pressing plate 5, contact but with pressing plate 5 electric insulations.
Pressing plate 5, unit 2, pole plate 6,7 and coldplate 3 push each other by two clamping bands 8, and described two clamping bands 8 are guided around pressing plate 5, pole plate 6,7 and coldplate 3 respectively.Clamping band 8 clamps the face of capwise for battery 1, and therefore is also referred to as vertical folder taut band 8.
Clamping band 8 is to consist of good heat carrier (such as spring steel), and there is electric insulation but coating heat conduction or that allow heat to pass through.The intermediate layer of (being similar to heat conduction paper tinsel 4) electric insulation alternatively, can be installed between pressing plate 5 and unit 2.The clamping band 8 of capwise and pressing plate 5 and coldplate 3 have heat conduction, the contacting of plane.
By the thermal conduction characteristic of vertical folder taut band 8 and pressing plate 5 and contact with the heat conduction of vertical folder taut band 8 with the narrow side in top of the heat conducting element 15 that accommodates unit 2 by pressing plate 5, can also in the upper area of battery, realize the heat exchange between unit 2, and the transmission of the heat from upside to the coldplate 3 that is positioned at bottom side.
In one is implemented variant, pressing plate 5 is at least in part by the carrier material of electric insulation, preferably the tempered glass fiber by synthetic material and optics is configured to conductor plate, and carrying is for monitoring and/or control electronic building brick and the conductor rail of battery functi on, and these electronic building bricks and conductor rail are not illustrated.This type of electronic building brick is for example: cell voltage monitors element; And/or cell voltage balancing component (it is for the different charged state of balancing unit), these cell voltage balancing components for example are placed on conductor plate with the form of microchip; And/or temperature sensor, it is for the temperature of monitor unit 2.Have at least thereon in the zone of clamping band 8, pressing plate 5 has good thermal conduction characteristic; This type of zone can also be called as thermal conductivity region.In this case, pressing plate 5 preferably can also be designed to, and can Heat of Formation be installed and/or to heat sensitive switch element near thermal conductivity region and/or in having the heat conduction contact site of thermal conductivity region.Particularly preferably, conductor plate itself has good thermal conduction characteristic, and itself forms pressing plate 5.At another, implement in variant, pressing plate 5 can consist of the material with good thermal conduction characteristic fully, does not wherein have thereon, in the zone of clamping band 8, foregoing conductor plate to be set.
In this embodiment, clamping device realizes by two strip metal clamping bands 8, and these clamping bands 8 are furnished with electric insulation but the layer of heat conduction.Outside removing coating also optionally, but electric insulation heat conduction or the intermediate layer that allows heat to pass through, such as heat conduction paper tinsel 4 that also may be between vertical folder taut band 8 and pole plate 6,7.
In one is implemented variant, clamping band 8 can be made by non electrically conductive material, such as the synthetic material by heat conduction is made, preferably has tempered glass fiber, strengthening Kafra fiber or reinforced metal, and heat-conducting filler.In this case, likely do not need extra insulation.
In this embodiment, clamping band 8 has respectively clamping region, its shown in the enforcement variant in be designed to the expansion area of wave pattern.Replace the expansion area of clamping band 8, can also apply compression bonding method (Crimpverfahren), in order to make the clamping band tensioning and these ends are connected with being fixed to one another.In another execution mode variant, clamping handle locking device (Knebelverschl ü sse), screw thread locking device (Schraubverschl ü sse) or a kind of clamping interface that compares type can be set.
In one is implemented variant, clamping band 8 can the recess be not shown specifically on pressing plate 5, rear pole plate 7, coldplate 3 and front pole plate 6 in.
Figure 12 is usingd schematic space view and is shown the structure as the battery unit 2 of another embodiment of the present invention.
Battery unit 2 in this embodiment is so-called coffee bag unit or bag-shaped unit, and it is flat, electrode storehouse (active part) about rectangular shape is wrapped in paper tinsel, and described paper tinsel is sealed in fringe region and forms so-called sealing joints 2.7.The Ampereconductors 2.6 of unit 2 extends through sealing joints 2.7 on by zone 2.71.In this embodiment, the Ampereconductors 2.6 of unit 2 is arranged on the relative narrow side of unit 2, preferably is arranged on the shorter narrow side of unit 2.Form groove 2.72 on other narrow sides of sealing joints 2.7.
(for example bonding or otherwise installation) damping element 2.4 as elastic device (liner) is installed on the planar side of unit 2.Damping element 2.4 is the elastic supporter with respect to other unit or battery container framework or frame element as unit 2, and is applicable to balance thermal expansion or impact-absorbing.Damping element 2.4 has good thermal conduction characteristic, but it is nonconducting.In addition, be provided with for example soft, material (such as PU foam, bipeltate or analog) that not form with heat conduction particularly well itself in good the sealing in heat conduction (paper tinsel or analog).Seal itself preferably inflatablely or bellows type ground form, in order to can realize the movement of flexible material.
In a kind of variation, soft material (its can but nonessential being set in independent sealing) itself has thermal conduction characteristic.It for example relates to thermally conductive gel, the structure of metal spring, sheet metal or analog, or be mixed with the foam of metallic particles.
In addition, can be suitable for the description to damping element 2.4 according to Fig. 6 to Fig. 8 with contrasting.
Because the thermal conduction characteristic of damping element 2.4 can make the heat balance between adjacent cells 2 simpler.If between adjacent unit 2, heat conducting element is set, during such as conducting strip or analog, can also realizes that the 2 unit combination bodies that form are discharged heat effectively from unit, and active cooling device needn't be set in the inside of unit combination body.
Figure 13 is usingd space view and is shown as another embodiment of the present invention, battery 1 that have a plurality of unit according to Figure 12 2.
Shown in Figure 13, keep between framework 16,16 or 16,17 installing a plurality of unit 2 at two respectively.The structure consisted of unit 2 and maintenance framework 16,17 is installed between two end panel 18,19.Four tie rods 20 with stop nut 21 are set, for fastening by unit, keep framework 16,17 and end panel 18,19 formed assemblys.
End panel 18,19 also is used as the electrode of battery 1.In order to be connected, corresponding interface arrangement 23,24 is set.The controller 26 be arranged on pillar 25 is arranged for the state parameter that monitors battery 1 and individual unit 2, in order to charged balance and similar operations.For fear of the short circuit between end panel 18,19, tie rod 20 and/or stop nut 21 are electric insulations with respect at least one in end panel 18,19.
In the present embodiment, unit 2 is designed to so-called coffee bag unit or the striped cell according to Figure 12.Unit 2 is by keeping framework 16,17 to be fixed on electric conductor originally or be fixed on by regional 2.71 with it, and in this position by thermal output to frame element 16,17.In addition, between the planar side 2.8 of the sky of the damping element 2.4 of a unit 2 and adjacent cells 2, heat conduction paper tinsel (not shown in detail) is installed, this heat conduction paper tinsel extends in the zone of groove 2.72 of sealing joints 2.7 up or down, and is clamped to herein groove 2.72 and corresponding the maintenance between framework 16,17.By this way, can also heat be outputed to frame element 16,17 from inside, unit by planar side 2.8, damping element 2.4 and the heat conduction paper tinsel be not shown specifically.Heat energy is enough to be exported by convection current or fin (such as coldplate, example as shown in Figure 5) from the frame element 16,17 that forms compact piece.
In one is implemented variant, tie rod 20 can absorb heat from frame element 16,17, in order to heat is discharged.For this reason, it contacts with end panel 18,19 heat conduction.Heat energy is enough discharges by end panel 18,19 by means of suitable cooling device (not shown in detail).Tie rod passes frame element 16,17, and from keeping framework 16,17 to absorb heat.Selectively, can provide the contact element of separation, it is fixed by maintenance framework 16,17, and extruding force is applied to the marginal portion of unit 2 and absorbs heat from it.For example, periphery has the aluminium section of Air Flow or other good conductor of heat to the cooling device be considered used, and it is fixed in head side and/or nut side and end panel 18,19 spirals by tie rod.Selectively, can also one or two place's end face in end panel 18,19 be installed by coldplate (it has or do not have the heat-carrying agent medium of circulation), tie rod 20 can be by thermal output to coldplate.Also can imagine the heat dissipation that tie rod 20 carries out of passing through of other types.
In other enforcement variant, the tie rod more than four can be set, for example six or eight tie rods, so that fastening unit piece and burn-off.
Selectively, can also for example by the clamping band of heat conduction, realize fastening (relatively Figure 11) under this cell block form.In other enforcement variant, this type of clamping band can be for example but is not only directed on the inclined-plane 16.1,17.1,18.1,19.1 that keeps framework 16,17 and end panel 18,19.
In Figure 14 and Figure 15, show the Galvanic unit or battery unit (individual unit) 2 and the heat conducting element correspondingly 14 that are implemented as flat unit, wherein Figure 14 shows perspective view, and Figure 15 shows the cutaway view of individual unit 2 and heat conducting element 14.
Individual unit 2 has the outer cover do not shown in detail, and it is around the electrode storehouse be not shown specifically herein.Outer cover has two paper tinsel layers, soldered in these paper tinsel layer edge region, in order to form so-called sealing joints 2.7, thereby surrounds the electrode storehouse airtight and liquid-tightly.The electrode storehouse shows as the protuberance of individual unit 2.The cover part that is connected to the planar side of electrode storehouse on storehouse direction s can be understood to housing sidewall 2.1,2.2 in Fig. 1 and following definition.
The electrode storehouse is configured to be similar to the electrode storehouse 2.5 shown in Fig. 2; (yet depending on the polarity laterally offset) conductive bumps is located to stretch out in the narrow side (being upside) of electrode stack landing account herein, and be connected with Ampereconductors 2.6 in outer cover inside, it stretches out through sealing joints 2.7, and utmost point contact site P+, the P-of Component units 2.In one is implemented variant, conductive bumps itself that fit together according to polarity, the electrode storehouse can outwards be guided through sealing joints 2.7 as Ampereconductors 2.6.
On one (being housing sidewall 2.2) in housing sidewall, damping element 2.4 is installed herein.In this embodiment, damping element 2.4 is formed integrally as with housing sidewall 2.2.That is to say, housing sidewall has inner casing 2.2a and shell 2.2b, and it is for example formed by foil material, and can be understood to be similar to the shell 2.41,2.42 according to the damping element 2.4 of Fig. 6.Be extended with hollow space 2.44 between inner casing 2.2a and shell 2.2b, this hollow space 2.44 is filled with elastomeric flexible and material heat conduction; So that for possible enforcement variant carries out reference to the execution mode of Fig. 6.Distinguished for the damping element 2.4 with shown in Fig. 6, it is pointed out that for the present embodiment, shell 2.2b is nonconducting, and the filler of hollow space 2.44 is heat conduction.
In the present embodiment, heat conducting element 14 is configured to width to be w and to be highly the conducting strip of h, and it has long side 14.11 and short side 14.12, its short-and-medium side 14.12 be from long side 14.11 with the crooked about 90 ° of formation of form and there is length d.The downside of short side 14.12 has formed cooling contact-making surface A1, and it can come cooling according to the method be described in detail in the following.
The long side 14.11 of heat conducting element 14 has thickness b and has unit contact-making surface A2, and this unit contact-making surface A2 contacts with the first housing sidewall 2.1 of individual unit 2.Thus, hot-fluid W can be guided to the long side 14.11 of heat conducting element 14 in large area from individual unit 2 by unit contact-making surface A2, and guide to herein its short side 14.12, and discharge by its cooling contact-making surface A1 on this short side 14.12.Simultaneously, by heat, from unit, 2 inside outputs to the long side 14.12 of heat conducting element 14 to the hot-fluid that a plurality of unit 2 of arranging with the storehouse form and heat conducting element 14 can not be shown specifically with another by the damping element 2.4 of heat conduction, and by its cooling contact-making surface A1, discharges on short side 14.12.
Figure 16 has illustrated individual unit 2 and heat conducting element 14 according to another embodiment of the invention in the view corresponding to Figure 15 with the cutaway view form.
Individual unit 2 be constructed to Figure 14 and 15 in individual unit similar.Yet the individual unit 2 of this embodiment lacks damping element (2.2a in 2.4 in Figure 14 or Figure 15,2.2b, 2.44).Instead, heat conducting element 14 has damping element 14.2 on the side away from individual unit 2 of long side 14.11.
Damping element 14.2 has good thermal conduction characteristic.For this reason, good heat conductive seal (paper tinsel or analog) in for example be provided with soft, special material formed with heat conduction itself, such as PU foam, bipeltate or analog.This seals best itself is that inflatable ground or bellows type ground form, in order to can realize the movement of soft material.
In a kind of variation, soft material (its can but nonessential being set in independent sealing) itself has thermal conduction characteristic.It for example relates to thermally conductive gel, the structure of metal spring, sheet metal or analog, or be mixed with the foam of metallic particles.
In another kind changes, damping element 14.2 can be applied directly on long side 14.11 as the damping layer of heat conduction.
Because the thermal conduction characteristic of damping element 14.2 can make the heat balance between adjacent cells 2 simpler, and can realize that the 2 unit combination bodies that form are discharged heat effectively from unit, and active cooling device needn't be set in the inside of unit combination body.
Figure 17 shows individual unit 2 and heat conducting element 14 according to another embodiment of the present invention with space view.
It is the same with the individual unit in Figure 16 that individual unit 2 is configured to.Heat conducting element 14 is configured to basically the same with the heat conducting element 14 in Figure 16 equally; Yet heat conducting element 14 has a damping element 14.2 at long side 14.11 on the side of individual unit 2 in this embodiment.Quote the explanation to Figure 21 with respect to the individual unit of damping element 14.2.
Figure 18 has illustrated individual unit 2 and heat conducting element 14 according to another embodiment of the present invention in the view corresponding to Figure 17 with the spatial decomposition view.
It is the same with the individual unit in Figure 17 that individual unit 2 is configured to.Heat conducting element 14 is configured to basically the same with the heat conducting element 14 in Figure 16 or 17 equally; Yet heat conducting element 14 has damping element 14.2 on two planar side of long side 14.11 in this embodiment.Quote the explanation to Figure 21 with respect to the individual unit of damping element 14.2.
Figure 19 and Figure 20 show battery 1, it has a plurality of individual units 2 of describing according to Figure 14 to Figure 18 and is arranged on the heat conducting element 14 between these individual units 2, wherein battery 1 illustrates with exploded view in Figure 19, in Figure 20, is that the state be mounted illustrates.These individual units 2 are assembled into becomes unit combination body Z together.
For cool batteries 1, in individual unit 2 bottom sides, coldplate 3 is installed.In this case, the short side 14.12 of heat conducting element 14 is heat conduction, by plane contact section, with coldplate 3, is connected.Thus, when the temperature of coldplate 3, during lower than the temperature of heat conducting element 14, under individual unit 2 is transferred to, the heat of heat conducting element 14 dissipates at coldplate 3.
Heat conducting element 14 is by means of clamping element 8(clamping band particularly) with together with individual unit 2 is fastened to, and be fixed on coldplate 3.In this case, coldplate 3 has in the longitudinal direction cutting (Einkerbung) 3.2 on the side away from unit combination body Z, the size of this cutting and clamping element 8, particularly its width and highly adapt.The quantity of cutting 3.2 is especially corresponding to the quantity of clamping element 8, and it is used to fixed cell assembly Z.
Coldplate 3 also has coolant interface unit 3.10, it has at least one input port 3.11 and at least one delivery outlet 3.12, by these input ports and delivery outlet, can import coolant or the heat carrier of coldplate 3 or derive coolant or heat carrier from coldplate 3.Coldplate 3 can be connected to coolant circulating system by coolant interface unit 3.10, for example be connected to the coolant circulating system of the unshowned air-conditioning equipment of the vehicles.Coolant flows in this coolant circulating system, and it goes out absorbed thermal conductance by coolant circulating system.
Figure 21 is usingd cutaway view and is shown the structure as the heat conducting element 14 of another embodiment of the present invention.
The heat conducting element 14 of this embodiment has carrier structure 14.1 and two damping elements 14.2.Carrier structure 14.1 is to be made by the material of good heat conductive (such as synthetic material or the analog of aluminium or other metals, heat conduction).This carrier structure 14.1 has the form of T shape profile on cross section, and it is with a long side 14.11 and two short sides 14.12.Long side 14.11 is arranged for being arranged in the battery unit 2(of unit combination body as shown in dotted outline 2) between, in order to be absorbed in the heat generated in battery unit 2.Short side 14.12 is configured to install heat-conducting plate 3(as shown in chain-dotted line profile 3) or analog, in order to discharge the heat absorbed from battery unit 2.
(for example bonding or installation in a similar manner) damping element 14.2 is installed in both sides at long side 14.11.Damping element 14.2 is used as unit 2 elastic supporter each other, and is applicable to thermal expansion or the impact-absorbing of balancing unit 2.In addition, can quote the explanation to the damping element 14.2 in the heat conducting element 14 according to Figure 16 about the characteristic of damping element 14.2.
In a kind of variation, damping element 14.22 can extend on short side 14.12, in order to also realize downward spring buffer for the frame plane unit especially.
Heat conduction paper tinsel or the analog of electric insulation can be set between short side 14.22 and coldplate 3.
The heat conducting element 14 of this embodiment can be used in unit 2(and itself not have spring element) between battery 1(as shown in Figures 4 and 5) in.
In order to use together with unit (its planar side is configured to the unit utmost point), damping element 14.2 or carrier structure 14.1 are formed conductively.Some positions in battery, the series circuit of the type unit should be interrupted, and for unit (wherein the unit utmost point by differently for example the electric conductor by convex form form) together with use, electric insulation ground formation damping element 14.2 at least.
As another embodiment of the present invention, Figure 22 shows heat conducting element 15(with space view, and it has the Galvanic unit (individual unit) 2 that is configured to the frame plane unit), wherein for illustration purpose by the demonstration that is separated from each other of frame plane unit 2 and heat conducting element 15.
Shown in Figure 22, unit 2 is constituted as and is similar to the unit 2 shown in Fig. 1 to Fig. 3 or Fig. 9 or Figure 10.Yet unit housings lateral parts 2.1,2.2 does not have sweep (being 2.12,2.13 or 2.22 in Fig. 6 or Fig. 8), and carry damping element without any one in unit housings lateral parts 2.1,2.2.Therefore, unit housings lateral parts 2.1,2.2 is configured surface plate basically, and it highly and width corresponds essentially to unit housings framework 2.3 and do not have material to increase section 2.31.It should be pointed out that, when the unit housings lateral parts 2.1,2.2 of unit 2 has sweep and/or spring element, the present invention is also effective in the design of this embodiment.
Heat conducting element 15 is configured to flat box, and it has the narrow limit 15.2 of bottom 15.1 and annular.In this case, the first planar side of heat conducting element 15 is formed on bottom 15.1, and edge 15.2 forms four narrow sides of heat conducting element, second open planar side of the seamed edge 15.20 restriction heat conducting elements 15 that edge 15.2 exposes simultaneously.In the present embodiment, heat conducting element 15 is formed into deep-draw workpiece (Tiefziehteil), and it is made by the material with good conductive characteristic and thermal conduction characteristic, preferably by aluminium or stainless steel or other metals, is made.
Place in the middle of upper area, edge 15.2 has material recess 15.3.The width of this material recess 15.3 is increased the width of section 2.31 corresponding to the material of the unit housings framework 2.3 of (space is arranged) unit 2.The inside dimension of heat conducting element 15 (particularly internal height and inner width) is with the external dimensions of ground, very little space matching unit 2, thereby make unit 2 can find in the position of the inside of heat conducting element 15, and can insert easily (the relatively arrow " F " in Figure 21).When unit 2 in when work heating and while expanding thus, unit housings can be subsequently the edge 15.2 of thermal contact conductance element 15 regularly.In this case, the height at edge 15.2 is determined size as follows, and when unit 2 during with the bottom 15.1 of its unit housings sidewall 2.2 thermal contact conductance elements 15, edge 15.2 does not reach another unit housings sidewall 2.1.
Damping element 15.5 is set on the inner surface of bottom 15.1.About the characteristic of damping element 15.5, can quote the explanation to damping element 2.4,14.2 according to above stated specification.
A plurality of unit 2 with heat conducting element 15 are assembled together, and it is similar at cell block or the battery shown in Fig. 4 and Fig. 5.In this case, heat conducting element 15 is on the one hand as the contact portion K1 of the unit be linked in sequence in front and back, the contactant between K3, and on the other hand will be in unit the heat that generates of 2 inside be delivered to the edge 15.2 of outside exposure by damping element 15.5 and bottom 15.1, heat not only can directly output on coldplate or can be directed to coldplate by clamping device herein.Described embodiment before being similar to, provide electric insulation arrangement at heat conducting element 15 and coldplate or clamping band (relatively in Fig. 5 and other accompanying drawings 8), in order to avoid misconnection to touch.
Comparatively speaking in one is implemented variant, the inside dimension of heat conducting element 15 does not have space, but determine littlely with the external dimensions of unit 2 by its size, thereby makes unit 2 to be inserted to heat conducting element 15 by certain power.
Although be not shown specifically in the accompanying drawings, recess can be set, its for hold with the guide clip taut band for be useful.
Figure 23 shows the variation according to the heat conducting element 15 of Figure 22 with schematic space view.
Shown in Figure 23, the edge 15.2 of heat conducting element has interrupt unit (otch) 15.4 at its seamed edge place, thereby makes continual edge 15.2(Figure 21) be divided into the marginal portion 15.21 of two side direction, lower edge part 15.22 and two top edge parts 15.23.If this edge is determined littlely with respect to unit 2 by size,, in this variation, insertion force may be less, and this is because marginal portion 15.21,15.22,15.23 can change along with insertion with elastic type.Heat conducting element 15 during fabrication can be at first extruded or is cut out by the sheet material on plane, and brake forming subsequently.Alternatively, heat conducting element 15 can also be cut out by deep-draw subsequently subsequently.
Change as another kind, four damping elements 15.5 are set herein, it is distributed on the inner surface of bottom 15.1.About the characteristic of the flexible member 15.5 of this variation, can apply mechanically comparably the explanation to damping element 2.4 or 14.2.
Figure 24 is usingd schematic space view and is shown the structure as the battery 1 of an alternative embodiment of the invention.Battery 1 consists of 35 individual units 2, and these individual units 2 are accommodated in the heat conducting element 15 according to Figure 22 or Figure 23.These individual units 2 are two sub-cells (rechargeable battery unit), and it has the active region that comprises lithium, and are constructed to the frame plane unit according to Figure 22.In addition, the battery 1 of the present embodiment is understood to be in the variation of the battery shown in Fig. 4 and Fig. 5, thereby make with respect to base configuration, quotes related description.
Except its material by heat conduction of vertical clamping band 8(forms and heat can be guided to coldplate 3 from the upside of battery), another clamping band 9 can also be proposed, its on the side of individual unit 2 or heat conducting element 15, and on horizontal plane around battery 1; Therefore, it is also referred to as horizontal-clamping band 9.About the characteristic of horizontal-clamping band 9, can quote the explanation to the vertical folder taut band 8 according to Figure 11.Especially, horizontal-clamping band 9 is also formed with heat conduction.Horizontal-clamping band 9 covers on clamping band 8 in the zone of pole plate 6,7.In an execution mode variant, clamping band 8 can cover on clamping band 9.Horizontal-clamping band 9 in the zone of the narrow side of side direction of heat conducting element 15, have and heat conducting element 15 between plane, contact site heat conduction, and also there is plane, contact site heat conduction with vertical folder taut band 8 in the zone of pole plate 6,7.
By the thermal conduction characteristic of horizontal-clamping band 9 and contact with the heat conduction of vertical folder taut band 8 with the narrow side of side direction of the heat conducting element 15 that accommodates unit 2 by horizontal-clamping band 9, can in the side zones of battery, realize the heat balance between unit 2 on the one hand, and can realize heat is transferred to the coldplate 3 contacted with bottom side by vertical clamping band 8 from the side.
Be similar to clamping band 8,9, clamping band 9 can have still heat conduction or the coating that allow heat to pass through of electric insulation.The intermediate layer of the electric insulation that is similar to heat conduction paper tinsel 4 can be set alternatively, between the narrow side in top of pressing plate 5 and unit 2 or heat conducting element 15.Alternatively, heat conduction or intermediate layer (such as heat conduction paper tinsel 4) that allow heat to pass through can also be arranged between vertical folder taut band 8 and pole plate 6,7, between horizontal-clamping band 9 and heat conducting element 15, and between horizontal-clamping band 9 and pole plate 6,7.When the carrying electric insulation layer of the outside, edge of the heat conducting element 15 of implementing variant as another itself, do not needing electric insulation arrangement between heat conducting element 15 and on the other hand between coldplate 3, pressing plate 5 and clamping band 9 on the one hand.
At another, implement in variant, clamping band 9 is in the recess be not shown specifically of the narrow side of the side direction of heat conducting element 15 and front and back pole plate 6,7.In another variant, can also between the narrow side of side direction of clamping band 9 and heat conducting element 15, the pressing plate (not shown in detail) be set.
Figure 25 is usingd explanatory view and is shown the structure as the battery 1 of another embodiment of the present invention.
Battery 1 consists of a plurality of individual units (unit) 2, and it arranges with three capable R1 to R3.The first row R1 is configured to adjoin battery case body wall 27, and while row is thereafter further arranged away from battery case body wall 27 with the width of a row respectively.In this accompanying drawing, show the unit 2 from each row R1 to R3, other unit of this row represent by putting simultaneously.With the bearing of trend of row R1 to R3, become horizontal battery unit adjacent one another are to define the file S of unit 2 i.
The unit 2 of the battery 1 of this embodiment is by cylindrical the unit 2 formed.A file S iUnit 2 by the fixed band 28 be wound around, be fixed on battery case body wall 27.Fixed band 28 extends out from battery case body wall 27, and at first wavy the file S that walks around i Unit 2, until reach the unit 2 of capable R3 farthest, further in a manner described around unit 2 and return to subsequently battery case body wall 27, wherein file S iUnit 2 be again by wavy, to be walked around by the order with contrary before.By this way, file S iUnit 2 be fixed on its position.
Fixed band 28 is made by the material of heat conduction.Absorb by making around unit 2 heat generated by unit 2 in the narrow contact site with unit 2, and heat is transferred to battery case body wall 27.Battery case body wall 27 is had Huo Wu seedbed, seedbed cooling or regulate temperature.
Figure 26 is usingd schematic view and is shown the structure as the battery 1 of another embodiment of the present invention.This embodiment is the variation of embodiment shown in Figure 25.Wherein, the unit 2 of three capable R1 to R3 is between two housing sidewall 27.1,27.2.Article two, fixed band 28.1,28.2 extends between housing sidewall 27.1,27.2, and wherein these two fixed bands are wavyly around battery unit 2.
Fixed band 28 or 28.1, the 28.1st in the battery 1 shown in Figure 25 or Figure 26, made by elastomeric flexible, material preferably can fine bending.Therefore the resiliency supported between individual unit 2 and the resiliency supported between individual unit 2 and battery container have been realized.
It being understood that the present invention is not a plurality of file S for specific quantity iOn the contrary, the present invention also may be used on only having according to previous embodiment in the battery of battery unit 2 of a file S.
It is also understood that, the invention is not restricted to the battery unit 2 of three capable R1 to R3; On the contrary, the present invention also may be used on having more or less in a battery of the battery unit 2 of row according to previous embodiment.
Although in Figure 25 and Figure 26 from 2s, microscler, columniform unit, but in one is implemented variant, in unit, 2 position also can arrange the storehouse of flat columniform unit (such as the coin shape unit) or similar units, and its clamping device be not shown specifically by another is pressed against each other together on direction of principal axis.
According to preferred embodiment, enforcement variant and enforcement alternate ways and variation (itself is understood to the preferred embodiments of the present invention equally), the present invention has been described in front.For fear of unnecessary repetition, in this case, quoted in position the explanation to other embodiment, enforcement variant etc.Also be stressed that, in any position do not clearly not stated, embodiment, implement variant, implement the feature of alternative or variation and embodiment that characteristic can be applied to other at least in a similar fashion, other enforcement variant, implement alternative or change.
Unit or individual units 2 all in this specification are memory cell or the energy accumulator unit in category of the present invention.In this specification, all batteries 1 are the energy accumulator equipment in category of the present invention.All damping element 2.4,14.2,15.5 and fixed band the 28,28.1, the 28.2nd in this specification, the elastic device in category of the present invention.Latter's fixed band 28,28.1,28.2 is also the clamping device in category of the present invention, as clamping band 8,9 in this manual with have the tie rod 20 of nut 21, keeps framework 16,17 and pressure frame 18,19.Be useful in this specification and discharge hot part, particularly coldplate 3, heat conducting element 14,15 and all heat conduction damping elements the 2.4,14.2, the 15.5th, the thermostatic functional part in category of the present invention.Coldplate 3 in this manual is the heat exchanger apparatus in category of the present invention.Shell 2.41,2.42 in this specification, inner casing 2.2a, shell 2.2b is sealing of heat conduction in category of the present invention.
Reference numerals list:
1 battery
Unit 2
2.1 unit housings sidewall
2.11 measurement interface
2.12 crimp
2.13 connecting plate
2.2 unit housings sidewall
2.2a inner casing
2.2b shell
2.4 damping element
2.22 connecting plate
2.3 unit housings framework
2.31 material is increased section
2.32 the narrow side in top
2.33,2.34 Material shrinkage parts
2.4 damping element
2.41,4.42 shells
2.43 seam
2.44 inner space
2.45 bellows-type structure
2.46 foam block
2.5 electrode storehouse
2.51 electrode foil
2.52 conductive bumps
2.6 utmost point contact site (Ampereconductors)
2.7 sealing joints
2.71 by zone
2.72 groove
2.8 planar side
3 coldplates
3.1 coolant interface
3.2 recess
3.3 cooling duct
4 heat conduction paper tinsels
5 pressing plates
5.1 recess
6 front pole plates
7 rear pole plates
6.1, the prolongation of 7.1 convex form
6.2,7.2 holding flanges
7.3 recess
8 clamping elements (vertical folder taut band)
8.1 clamping region
9 horizontal-clamping bands
10,11 electrical interface elements
13 electronic building bricks
13.1 the device for monitor unit voltage
13.2 the device for balancing unit voltage
13.3 contact element
14 heat conducting elements
14.1 carrier structure
14.11 long side
14.12 side
14.2 damping element
14.21 flexible material
14.22 seal
15 heat conducting elements
15.1 bottom
15.2 edge
15.20 seamed edge
15.21,15.22,15.23 marginal portions
15.3 recess
15.4 otch
15.5 damping element
15 base plates
16,17 keep framework
16.1,17.1 inclined-planes
18,19 end panel
18.1,19.1 inclined-planes
20 tie rods
21 nuts
22,23,24 interface arrangements
25 pillars
26 controllers
27,27.1,27.2 housing walls
28,28.1,28.2 fixed bands
The cooling contact-making surface of A1
A2 unit contact-making surface
The B bending direction
D pressure
First unit of E1
Last unit of E2
The F direction of insertion
K1 to K3 voltage interface contact site
The P+ positive pole
The P-negative pole
P negThe negative pole interface
P posAnode interface
R1 to R3 cell row
Si unit file
The W hot-fluid
Z unit combination body
B, the w width
D thickness
H, h1, h2 height
S storehouse direction
The t degree of depth, thickness
It is pointed out that above list of reference signs is the part be incorporated in specification.

Claims (15)

1. an energy accumulator equipment, it has a plurality of memory cells and for to described memory cell or to the unit combination body consisted of described memory cell, carrying out thermoregulator temperature-adjusting device, wherein between memory cell and other assemblies, be provided with for the supporting of damping or the elastic device at interval, wherein said other assemblies are other memory cell or holding element or other housing parts or heat conducting elements, it is characterized in that, described elastic device is designed and is arranged as described thermostatic functional part.
2. energy accumulator equipment as claimed in claim 1, is characterized in that, described elastic device forms with the material of heat conduction.
3. energy accumulator equipment as claimed in claim 1 or 2, is characterized in that, described elastic device has sealing of heat conduction and inner space, and fill with flexible flexible material wherein said inner space.
4. energy accumulator equipment as claimed in claim 1 or 2, is characterized in that, described elastic device consists of flexible material heat conduction and flexible.
5. energy accumulator equipment as claimed in claim 1 or 2, is characterized in that, described elastic device has heat conduction or sealing and inner space of allowing that heat passes through, and wherein said inner space is filled by flexible material heat conduction and flexible.
6. as energy accumulator equipment in any one of the preceding claims wherein, it is characterized in that, described elastic device is piecewise at least, and preferably plane earth contacts with the heat-transfer surface of described memory cell.
7. as energy accumulator equipment in any one of the preceding claims wherein, it is characterized in that, described elastic device is formed conductively.
8. as energy accumulator equipment in any one of the preceding claims wherein, it is characterized in that, described elastic device is formed by electric insulation ground.
9. as energy accumulator equipment in any one of the preceding claims wherein, it is characterized in that, described elastic device is fixed on corresponding memory cell or is configured to the integrated part of corresponding memory cell.
10. as energy accumulator equipment in any one of the preceding claims wherein, it is characterized in that, described elastic device is fixed on corresponding heat conducting element, described heat conducting element at least is arranged between corresponding memory cell in the mode of segmentation, or described elastic device is constituted as the integrated part of described heat conducting element.
11. as energy accumulator equipment in any one of the preceding claims wherein, it is characterized in that, described temperature-adjusting device has heat exchanger apparatus, and at least in the mode of segmentation, is arranged on heat conducting element between corresponding memory cell and has heat conduction with described heat exchanger apparatus and contact.
12. as energy accumulator equipment in any one of the preceding claims wherein, it is characterized in that, be provided with the clamping device for fastening described memory cell, wherein said clamping device preferably is designed and is arranged as described thermostatic functional part.
A 13. energy accumulator unit, the outer cover that it has active part and surrounds described active part, and there is elastic device, described elastic device is fixed on memory cell or is constituted as the integrated part of described memory cell, and be designed and be arranged to for supporting or the described memory cell in interval with respect to other assembly damping ground, it is characterized in that, described elastic device is designed and is arranged to for heat conduction, and wherein said elastic device preferably is designed and is arranged as thermostatic functional part.
14. the heat conducting element be arranged between the energy accumulator unit, it is characterized in that, elastic device is fixed on described heat conducting element or is configured to the integrated part of described heat conducting element, described elastic device is designed and is arranged to for heat conduction, and wherein said elastic device preferably is designed and is arranged as thermostatic functional part.
15. one kind has the particularly heat conducting element of the carrier structure of thin-walled, described heat conducting element is used in particular for holding the energy accumulator unit, it is characterized in that, the structure of thin-walled has been described a kind of preferably form of flat cuboid, and the structure of wherein said thin-walled has at least one planar side and at least two narrow sides of adjoining described planar side, and be further characterized in that, elastic device is fixed on described heat conducting element or is configured to the integrated part of described heat conducting element, described elastic device is designed and is arranged to for heat conduction, wherein said elastic device preferably is designed and is arranged as thermostatic functional part.
CN201280012937XA 2011-03-11 2012-02-23 Energy storage device, energy storage cells and heat-conducting element Pending CN103430347A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE201110013617 DE102011013617A1 (en) 2011-03-11 2011-03-11 Energy storage device, energy storage cell and heat conduction
DE102011013617.7 2011-03-11
PCT/EP2012/000782 WO2012123064A2 (en) 2011-03-11 2012-02-23 Energy storage device, energy storage cells and heat-conducting element

Publications (1)

Publication Number Publication Date
CN103430347A true CN103430347A (en) 2013-12-04

Family

ID=45768177

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201280012937XA Pending CN103430347A (en) 2011-03-11 2012-02-23 Energy storage device, energy storage cells and heat-conducting element

Country Status (7)

Country Link
US (1) US20140072855A1 (en)
EP (1) EP2684234A2 (en)
JP (1) JP2014511552A (en)
KR (1) KR20140015402A (en)
CN (1) CN103430347A (en)
DE (1) DE102011013617A1 (en)
WO (1) WO2012123064A2 (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105914426A (en) * 2015-02-23 2016-08-31 福特全球技术公司 Cold plate assembly for electrified vehicle batteries
CN106169600A (en) * 2015-05-19 2016-11-30 福特全球技术公司 There is the battery assembly of multifunction structure assembly
CN109004110A (en) * 2018-07-16 2018-12-14 合肥国轩高科动力能源有限公司 Bonding laminate polymer battery module
CN105270151B (en) * 2014-06-24 2019-08-16 F·波尔希名誉工学博士公司 The method of energy accumulator is provided for the energy accumulator of vehicle and to vehicle
WO2022268838A1 (en) * 2021-06-21 2022-12-29 Webasto SE Battery module for forming a battery for a vehicle

Families Citing this family (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11644010B1 (en) 2006-06-10 2023-05-09 Star Sailor Energy, Inc. Energy storage system
US8648481B2 (en) * 2006-06-10 2014-02-11 Star Sailor Energy, Inc. Wind generator with energy enhancer element for providing energy at no wind and low wind conditions
JP5787143B2 (en) * 2011-06-22 2015-09-30 Toto株式会社 Solid oxide fuel cell device
KR101877999B1 (en) * 2012-12-27 2018-07-13 현대자동차주식회사 Apparatus for cooling battery
JP6695800B2 (en) 2013-08-30 2020-05-20 ゴゴロ インク Portable electric energy storage device with thermal runaway mitigation
JP6213122B2 (en) * 2013-10-07 2017-10-18 株式会社デンソー Battery pack
USD789883S1 (en) 2014-09-04 2017-06-20 Gogoro Inc. Collection, charging and distribution device for portable electrical energy storage devices
USD820197S1 (en) 2014-10-03 2018-06-12 Gogoro Inc. Portable electrical energy storage device with components
WO2016138463A1 (en) 2015-02-27 2016-09-01 Gogoro Inc. Portable electrical energy storage device with in-situ formable fluid channels
KR101948180B1 (en) * 2015-04-30 2019-02-14 주식회사 엘지화학 Battery pack and method for manufacturing the same
US10153475B2 (en) 2015-05-11 2018-12-11 Gogoro Inc. Electrical connector for portable multi-cell electrical energy storage device
EP3357107B1 (en) 2015-10-01 2023-06-07 Gogoro Inc. Frame for portable electrical energy storage cells
GB2545020B (en) * 2015-12-04 2022-04-20 Johnson Matthey Battery Systems Ltd Battery pack
PL3327821T3 (en) * 2016-01-12 2020-05-18 Lg Chem, Ltd. Battery module assembly having stable fixing means for unit modules
DE102016202912A1 (en) * 2016-02-25 2017-08-31 Bayerische Motoren Werke Aktiengesellschaft Cell module for a battery of a motor vehicle and method for producing such a cell module
CN109314218B (en) * 2016-05-19 2021-07-30 株式会社村田制作所 Battery, battery pack, electronic device, electric vehicle, power storage device, and power system
CN108539242B (en) * 2017-03-03 2021-11-30 株式会社Pole Apparatus for forming edge of lead of secondary battery
KR102324756B1 (en) * 2017-04-18 2021-11-10 현대자동차주식회사 Battery module for vehicle
WO2019018446A1 (en) 2017-07-17 2019-01-24 Fractal Heatsink Technologies, LLC Multi-fractal heat sink system and method
DE102017221769A1 (en) * 2017-12-04 2019-06-06 Bayerische Motoren Werke Aktiengesellschaft Battery module for a high-voltage battery of a motor vehicle, high-voltage battery and motor vehicle
DE102018222524A1 (en) * 2018-12-20 2020-06-25 Thyssenkrupp Ag Clamping device for holding energy storage cells
US11233278B2 (en) * 2019-02-15 2022-01-25 Green Machine Equipment, Inc. Rechargeable battery power system having a battery with multiple uses
KR20200131618A (en) * 2019-05-14 2020-11-24 주식회사 엘지화학 Battery module and battery pack including the same
JP7310561B2 (en) * 2019-11-13 2023-07-19 Tdk株式会社 Stacked battery pack
DE102020206985A1 (en) 2020-06-04 2021-12-09 Robert Bosch Gesellschaft mit beschränkter Haftung Battery module and use of such a battery module
GB2604115A (en) * 2021-02-24 2022-08-31 Balance Batteries Ltd Battery module
DE102021209300A1 (en) 2021-08-25 2023-03-02 Robert Bosch Gesellschaft mit beschränkter Haftung Holding system for holding a number of battery cells, system made up of a holding system and a number of battery cells, and method for producing a system
BE1030985B1 (en) * 2022-10-24 2024-05-27 Phoenix Contact E Mobility Gmbh Contact assembly for an electrical connector with a thermal capacity element arranged on a load line
DE102023000533A1 (en) * 2023-02-17 2024-08-22 Mercedes-Benz Group AG Battery, method for assembling a battery and motor vehicle

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6270920B1 (en) * 1998-03-19 2001-08-07 Sanyo Electric Co., Ltd. Battery module and container for battery module
EP1479127B1 (en) * 2002-02-19 2006-07-26 3M Innovative Properties Company Temperature control apparatus and method for high energy electrochemical cells
DE102008034869A1 (en) 2008-07-26 2009-06-18 Daimler Ag Battery for use in motor vehicle with hybrid drive, has heat conducting elements including heat transfer surfaces such that inner temperatures of battery cells are approximately same under operating conditions provided for battery
DE102008034862B4 (en) * 2008-07-26 2011-09-22 Daimler Ag Battery with a cell network of several battery cells
US20100028758A1 (en) * 2008-08-04 2010-02-04 Eaves Stephen S Suppression of battery thermal runaway
DE102009005124A1 (en) 2009-01-19 2010-07-29 Li-Tec Battery Gmbh Electrochemical energy storage device

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105270151B (en) * 2014-06-24 2019-08-16 F·波尔希名誉工学博士公司 The method of energy accumulator is provided for the energy accumulator of vehicle and to vehicle
CN105914426A (en) * 2015-02-23 2016-08-31 福特全球技术公司 Cold plate assembly for electrified vehicle batteries
CN105914426B (en) * 2015-02-23 2020-09-18 福特全球技术公司 Cooling plate assembly for electric vehicle battery
CN106169600A (en) * 2015-05-19 2016-11-30 福特全球技术公司 There is the battery assembly of multifunction structure assembly
CN109004110A (en) * 2018-07-16 2018-12-14 合肥国轩高科动力能源有限公司 Bonding laminate polymer battery module
CN109004110B (en) * 2018-07-16 2021-06-11 合肥国轩高科动力能源有限公司 Bonding laminate polymer battery module
WO2022268838A1 (en) * 2021-06-21 2022-12-29 Webasto SE Battery module for forming a battery for a vehicle

Also Published As

Publication number Publication date
WO2012123064A2 (en) 2012-09-20
DE102011013617A1 (en) 2012-09-13
EP2684234A2 (en) 2014-01-15
WO2012123064A3 (en) 2012-11-08
JP2014511552A (en) 2014-05-15
US20140072855A1 (en) 2014-03-13
KR20140015402A (en) 2014-02-06

Similar Documents

Publication Publication Date Title
CN103430347A (en) Energy storage device, energy storage cells and heat-conducting element
US20140087231A1 (en) Energy storage apparatus
CN102356505B (en) Battery module having excellent radiation property and medium to large sized battery pack
US20140113171A1 (en) Energy storage apparatus, energy storage cell and heat-conducting element with elastic means
CN110100351A (en) Battery pack including the thermally conductive medium with shutter airfoil
CN104037373B (en) Series of cells and there is the battery module of this series of cells
KR101326086B1 (en) Battery Module with Compact Structure and Excellent Heat Radiation Characteristics and Middle or Large-sized Battery Pack Employed with the Same
CN104412439B (en) Battery module with indirect air cooling structure
WO2012133707A1 (en) Power source device and vehicle provided with power source device
KR101572328B1 (en) Electrical energy store
CN104025370A (en) Battery module having novel structure
KR20130004141A (en) Power supply apparatus and vehicle with the same
KR20170070795A (en) Battery module, battery pack comprising the battery module and vehicle comprising the battery pack
WO2012133711A1 (en) Method for producing power source device, power source device, and vehicle provided with power source device
CN115606038A (en) Energy storage device, preferably for an at least partially electrically driven vehicle, having a battery cell module and a cooling device, and method for producing an energy storage device
JPWO2012133708A1 (en) Power supply device and vehicle equipped with power supply device
CN102771004A (en) Energy store device
CN102246331A (en) Battery module having excellent heat dissipation ability and battery pack employed with the same
CN106463799A (en) Cooling plate for electrical energy storage element
CN102027629A (en) Battery assembly
CN104993183A (en) Battery module, battery module group and battery module group packaging method
KR101658517B1 (en) Battery Module with Cooling Member
JP2013157112A (en) Battery pack
CN103620863A (en) Energy storage device with temperature controlling means
WO2021149299A1 (en) Power supply device, and electric vehicle and power storage device equipped with this power supply device

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C02 Deemed withdrawal of patent application after publication (patent law 2001)
WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20131204